4976990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 9374400

約数和(自身を除く): 4397410

約数列:

[1, 2, 5, 10, 41, 61, 82, 122, 199, 205, 305, 398, 410, 610, 995, 1990, 2501, 5002, 8159, 12139, 12505, 16318, 24278, 25010, 40795, 60695, 81590, 121390, 497699, 995398, 2488495, 4976990]

約数ペア:

[(1, 4976990), (2, 2488495), (5, 995398), (10, 497699), (41, 121390), (61, 81590), (82, 60695), (122, 40795), (199, 25010), (205, 24278), (305, 16318), (398, 12505), (410, 12139), (610, 8159), (995, 5002), (1990, 2501)]